Set of 4 super-sharp bi-metal Chisel Blades designed for use with the MicroLux® Powered Chisel (#86720, available separately). Includes one each of the following blades: 14 mm #7 Sweep Gouge; 7 mm, 60 Degree V Parting Tool; 16 mm #1 Flat Rounded Chisel; 7 mm, 90 Degree V Parting Tool.